Hardware Spec Index

Brontix FN-5851 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5851-PRIME · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#19,374
Street price$49
Power3 W
Performance per dollar28.57
Released2020

Specifications

BrandBrontix
ModelBrontix FN-5851 Prime
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5851 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/33330009 (accessed 2026-10-20).